diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | vm_core.h | 6 |
2 files changed, 13 insertions, 1 deletions
@@ -1,3 +1,11 @@ +Wed Oct 2 15:39:13 2013 NARUSE, Yui <naruse@ruby-lang.org> + + * vm_core.h: use __has_attribute() instead of __clang__major__ because + clang says "Note that marketing version numbers should not be used + to check for language features, as different vendors use different + numbering schemes. Instead, use the Feature Checking Macros." + http://clang.llvm.org/docs/LanguageExtensions.html + Wed Oct 2 14:19:57 2013 Nobuyoshi Nakada <nobu@ruby-lang.org> * io.c (rb_io_close_write): detach tied IO for writing before closing @@ -109,7 +109,11 @@ #define UNLIKELY(x) (x) #endif /* __GNUC__ >= 3 */ -#if (defined(__clang__) && __clang_major__ >= 4) +#ifndef __has_attribute +# define __has_attribute(x) 0 +#endif + +#if __has_attribute(unused) #define UNINITIALIZED_VAR(x) x __attribute__((unused)) #elif defined(__GNUC__) && __GNUC__ >= 3 #define UNINITIALIZED_VAR(x) x = x |